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Statements

Subject Item
n2:RIV%2F61388971%3A_____%2F14%3A00429340%21RIV15-AV0-61388971
rdf:type
skos:Concept n7:Vysledek
dcterms:description
Since 1911, dothistroma needle blight, caused by Dothistroma septosporum, has been recorded in most European countries. In the Czech Republic, the fungus has become an important disease of pines since 2000, especially Austrian pines in plantations of Christmas and ornamental trees. The aim of this study was to analyse the population structure, gene flow and mode of reproduction of this pathogen. Microsatellite and mating-type markers were analysed in a Dothistroma population in the southeastern part of the country using reference isolates from other European countries. The haplotypic diversity was high, with 87 unique and 13 shared haplotypes (probable clones) identified in 121 samples. Based on structure analysis, the isolates were divided into two populations, with an uneven distribution over the sampling sites. The grouping of the sites to the populations did not follow a geographical pattern because certain isolates that were sympatrically co-occurring at the same site were placed in different populations. Tests for random mating (the index of association and a parsimony tree-length permutation test) showed a significant clonal mode of reproduction in most cases, but the intrapopulation haplotypic diversity is unexpectedly high. Although a teleomorphic stage of D.septosporum has not been previously observed in the Czech Republic, the high intrapopulation haplotypic diversity can be explained by infrequent sexual reproduction consistent with the occurrence of both mating types Since 1911, dothistroma needle blight, caused by Dothistroma septosporum, has been recorded in most European countries. In the Czech Republic, the fungus has become an important disease of pines since 2000, especially Austrian pines in plantations of Christmas and ornamental trees. The aim of this study was to analyse the population structure, gene flow and mode of reproduction of this pathogen. Microsatellite and mating-type markers were analysed in a Dothistroma population in the southeastern part of the country using reference isolates from other European countries. The haplotypic diversity was high, with 87 unique and 13 shared haplotypes (probable clones) identified in 121 samples. Based on structure analysis, the isolates were divided into two populations, with an uneven distribution over the sampling sites. The grouping of the sites to the populations did not follow a geographical pattern because certain isolates that were sympatrically co-occurring at the same site were placed in different populations. Tests for random mating (the index of association and a parsimony tree-length permutation test) showed a significant clonal mode of reproduction in most cases, but the intrapopulation haplotypic diversity is unexpectedly high. Although a teleomorphic stage of D.septosporum has not been previously observed in the Czech Republic, the high intrapopulation haplotypic diversity can be explained by infrequent sexual reproduction consistent with the occurrence of both mating types
dcterms:title
The gene flow and mode of reproduction of Dothistroma septosporum in the Czech Republic The gene flow and mode of reproduction of Dothistroma septosporum in the Czech Republic
skos:prefLabel
The gene flow and mode of reproduction of Dothistroma septosporum in the Czech Republic The gene flow and mode of reproduction of Dothistroma septosporum in the Czech Republic
skos:notation
RIV/61388971:_____/14:00429340!RIV15-AV0-61388971
n3:aktivita
n17:I n17:P
n3:aktivity
I, P(EE2.3.20.0265), P(LD12031), P(QH81039)
n3:cisloPeriodika
1
n3:dodaniDat
n8:2015
n3:domaciTvurceVysledku
n18:3439739
n3:druhVysledku
n16:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
76271
n3:idVysledku
RIV/61388971:_____/14:00429340
n3:jazykVysledku
n5:eng
n3:klicovaSlova
Dothistroma; dothistroma needle blight; gene flow
n3:klicoveSlovo
n9:gene%20flow n9:Dothistroma n9:dothistroma%20needle%20blight
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[AFDC34CBE99C]
n3:nazevZdroje
Plant Pathology
n3:obor
n10:EE
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
7
n3:projekt
n13:LD12031 n13:QH81039 n13:EE2.3.20.0265
n3:rokUplatneniVysledku
n8:2014
n3:svazekPeriodika
62
n3:tvurceVysledku
Jankovský, L. Tomšovský, M. Palovčíková, D. Kostovčík, Martin Hanáček, P. Tomešová, V. Rohrer, M.
n3:wos
000313362500007
s:issn
0032-0862
s:numberOfPages
10
n14:doi
10.1111/j.1365-3059.2012.02625.x